package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.mapper.DishMapper;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品:{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //清理redis中的缓存
        String key="dish_"+dishDTO.getCategoryId();
        redisTemplate.delete(key);
        return Result.success();
    }

    /**
     * 分页查询菜品
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("根据条件查询菜品信息:{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 根据id批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品的批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品的批量删除:{}",ids);
        dishService.deleteById(ids);
        //删除redis中全部以dish_开头的数据
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping(value = "/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id{}查询菜品",id);
        DishVO dishvo=dishService.getByIdWithFlavors(id);
        return Result.success(dishvo);
    }
    @PutMapping
    @ApiOperation("修改菜品")
    public Result updateDish(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品{}",dishDTO);
        dishService.updateWithFlavors(dishDTO);
        cleanCache("dish_*");
        return Result.success();
    }
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId) {
        log.info("根据分类id查询菜品:{}",categoryId);
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }
    /**
     * 菜品起售停售
     */
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status, Long id) {
        log.info("菜品起售停售:{},{}",status,id);
        dishService.startOrStop(status,id);
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 统一清理缓存数据
     * @param key
     */
    private void cleanCache(String key) {
        Set keys = redisTemplate.keys(key);
        redisTemplate.delete(keys);
    }

}
